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154445000142 = 231950314711831
BaseRepresentation
bin1000111111010110100…
…0111010110111001110
3112202122112111220202110
42033311220322313032
510012300410001032
6154541232204450
714105201561226
oct2176550726716
9482575456673
10154445000142
115a5551a3594
1225b23399726
1311744439b64
147691c61086
15403de567cc
hex23f5a3adce

154445000142 has 64 divisors (see below), whose sum is σ = 326193315840. Its totient is φ = 48615487200.

The previous prime is 154445000137. The next prime is 154445000147. The reversal of 154445000142 is 241000544451.

It is an interprime number because it is at equal distance from previous prime (154445000137) and next prime (154445000147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154445000147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84349167 + ... + 84350997.

It is an arithmetic number, because the mean of its divisors is an integer number (5096770560).

Almost surely, 2154445000142 is an apocalyptic number.

154445000142 is an abundant number, since it is smaller than the sum of its proper divisors (171748315698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154445000142 is a wasteful number, since it uses less digits than its factorization.

154445000142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 154445000142 its reverse (241000544451), we get a palindrome (395445544593).

The spelling of 154445000142 in words is "one hundred fifty-four billion, four hundred forty-five million, one hundred forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 19 38 57 114 503 1006 1471 1509 1831 2942 3018 3662 4413 5493 8826 9557 10986 19114 27949 28671 34789 55898 57342 69578 83847 104367 167694 208734 739913 920993 1479826 1841986 2219739 2693401 2762979 4439478 5386802 5525958 8080203 14058347 16160406 17498867 28116694 34997734 42175041 51174619 52496601 84350082 102349238 104993202 153523857 307047714 1354780703 2709561406 4064342109 8128684218 25740833357 51481666714 77222500071 154445000142